NXP Semiconductors arm LPCXpresso55S36 User manual

LPCXpresso55S36UM
LPCXpresso55S36 Development Board User Manual
Rev. 2 — 5 September 2022 User manual
Document information
Information Content
Keywords LPCXpresso55S36UM, LPCXpresso55S36, LPC55S36, LPC5536, MCU-Link,
MCUXpresso IDE
Abstract The LPCXpresso55S36 board is a powerful and flexible, evaluation and
development platform for NXP LPC55S36/LPC5536 microcontrollers (MCUs).

NXP Semiconductors LPCXpresso55S36UM
LPCXpresso55S36 Development Board User Manual
1 LPCXpresso55S36 overview
The LPCXpresso55S36 board is a powerful and flexible, evaluation and development
platform for NXP LPC5536 microcontroller (MCU). It belongs to the LPCXpresso family of
boards — boards for NXP LPC MCUs based on Arm Cortex-M cores.
The board is compatible with the Arduino UNO R3 and Mikroe click boards. It can be
used with a wide range of development tools, including NXP MCUXpresso IDE, Keil
µVision, and IAR Embedded Workbench. The board is lead-free and RoHS-compliant.
For debugging the LPC5536 MCU, the LPCXpresso55S36 board uses an onboard
debug probe, known as MCU-Link OB (OB stands for "onboard"), which is based on
another MCU, LPC55S69. For simplicity, MCU-Link OB is referred to as "MCU-Link
debug probe" or just "MCU-Link" and the LPC5536 MCU is referred to as "target MCU" in
this document.
This document provides details about the LPCXpresso55S36 board interfaces, power
supplies, clocks, push buttons, jumpers, and LEDs.
1.1 Acronyms and abbreviations
The table below lists and explains the acronyms and abbreviations used in this
document.
Term Description
4PDT Four pole double throw
ADC Analog-to-digital converter
BGA Ball grid array
CAN Controller area network
Codec Coder/decoder
DAC Digital-to-analog converter
DMIC Digital PDM microphone
DNP Do not populate
FD Flexible data-rate
GPIO General-purpose input/output
HID Human interface device
HS High-speed
I2C Inter-integrated circuit
I3C Improved inter-integrated circuit
I2S Inter-IC sound
IDE Integrated development environment
ISP In-System Programming
LED Light-emitting diode
MCU Microcontroller unit
NFC Near field communication
Op-amp Operational amplifier
PDM Pulse-density modulation
POR Power-on reset
PWM Pulse width modulation
RC Resistor-capacitor
SDK Software development kit
Table 1. Acronyms and abbreviations
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Term Description
SMT Surface-mount technology
SPI Serial peripheral interface
SWD Serial wire debug
SWO Serial wire debug trace output
UART Universal asynchronous receiver/transmitter
USART Universal synchronous/asynchronous receiver/transmitter
USB Universal serial bus
VCOM Virtual communication
Table 1. Acronyms and abbreviations...continued
1.2 Related documentation
The table below lists and explains the additional documents and resources that you can
refer to for more information on the LPCXpresso55S36 board. Some of the documents
listed below may be available only under a non-disclosure agreement (NDA). To request
access to these documents, contact your local field applications engineer (FAE) or sales
representative.
Document Description Link
LPC553x Reference Manual Intended for system software and hardware
developers and application programmers who want
to develop products with LPC553x/LPC55S3x MCU
LPC553xRM.pdf
LPC553x Data Sheet Provides information about electrical
characteristics, hardware design considerations,
and ordering information
LPC553x.pdf
LPC55S6x/LPC55S2x/LPC552x
User manual (UM11126)
Intended for system software and hardware
developers and application programmers who want
to develop products with LPC55S6x/LPC55S2x/
LPC552x MCU
UM11126.pdf
MCU-Link Energy Measurement
Capabilities Application Note
(AN13660)
This document shows the results of the MCU-Link
in different power settings and compares it to a
third-party tool
AN13660.pdf
Table 2. Related documentation
1.3 Board kit contents
The table below lists the items included in the LPCXpresso55S36 board kit.
Item description Quantity
LPCXpresso55S36 board 1
USB cable 1
M3 x 40 mm female-female brass hex standoff 4
M3 x 5 mm stainless steel Phillips pan head screw 4
LPCXpresso55S36 Quick Start Guide 1
Table 3. Board kit contents
1.4 Block diagram
The figure below shows the LPCXpresso55S36 block diagram.
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LPC55S36 /
LPC5536
CAN FD
DB9
Monitor sensor
Audio codec
User LEDs
HS SPI
I3C
SEC GPIO
GPIO
PWM
COMP
Expansion
connectors
mikroBUS
I2C (ISP)
SWD/SDO
SPI (ISP)
HS USB
micro-B
Xtal
16 MHz
Xtal
32.768 kHz
USART
header
CAN
transceiver
I2S
External power
USB micro-B
FS USB
micro-AB
Buffer
ADC
I2C
Buffer
MCU-Link
User butttons
Buffer
UART (ISP)
Buffer
Buffer
Figure 1. LPCXpresso55S36 block diagram
1.5 Board features
The table below describes the features of the LPCXpresso55S36 board.
Board feature Target MCU feature used Description
MCU (target MCU) LPC5536 MCU with 32-bit Arm Cortex-M33 core running at
a frequency of up to 150 MHz
Note: For details on the LPC5536 MCU, see LPC553x Data
Sheet and LPC553x Reference Manual.
USB USB 2.0 full-speed host and device
controller (USB0)
A USB micro-AB connector for the target MCU USB0
connection. The board also provides a USB micro-B
connector as a power-only connector and another USB
micro-B connector for MCU-Link.
USART Flexcomm modules 0 and 2 •FC0 USART connection is supported as:
–An external UART connection from a 1x3 pin header or
a USB-to-UART bridge for connecting MCU-Link to the
target MCU
–An external UART connection from one of the
connectors of Motor 2 + Arduino socket
•FC2 USART connection is supported as an external
UART connection from one of the connectors of mikroBUS
socket
Table 4. LPCXpresso55S36 features
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Board feature Target MCU feature used Description
I2C Flexcomm modules 1, 3, and 7 •FC1 I2C: Supports a USB-to-I2C bridge between MCU-
Link and the target MCU
•FC3 I2C: Connects to one of the connectors of Motor 2 +
Arduino socket
•FC7 I2C: Connects to another connector of Motor 2
+ Arduino socket, one of the connectors of mikroBUS
socket, audio codec, audio expansion connector, and
external DMIC connector
I2S Flexcomm modules 0, 2, 3, 4, and 6 I2S connections are supported on an audio codec and audio
expansion connector
HS SPI Flexcomm module 8 Three HS SPI slave selects are used:
•SS0: Connects to one of the connectors of mikroBUS
socket
•SS1: Supports a USB-to-SPI bridge between MCU-Link
and the target MCU
•SS3: Connects to one of the connectors of Motor 2 +
Arduino socket
CAN Controller area network flexible data
(MCAN) controller
A high-speed CAN transceiver for driving CAN signals
between the target MCU and a DB9 connector
I3C I3C module (I3C0) I3C slave devices:
•6-axis motion tracking device with integrated 3-axis
gyroscope and 3-axis accelerometer
•One of the connectors of the Motor 1 + unused MCU pin
socket
Octal flash FlexSPI host controller 512 Mbit octal serial NOR flash memory
DMIC Digital PDM microphone (DMIC)
module
Onboard DMIC and an external DMIC connector
mikroBUS mikroBUS socket with two 1x8 position receptacles
Motor control and
Arduino
Motor control subsystem
(FlexPWM0, FlexPWM1, ADC0,
ADC1, DAC0, and DAC1)
Two Arduino UNO compatible sockets, each with four
receptacles (2x6, 2x8, 2x10, and 2x8 positions)
Power supply The board accepts the following external power supplies:
•External 5 V power through one of the three USB
connectors
•VIN1 power from one of the connectors of the Motor 1 +
unused MCU pin socket
•VIN2 power from one of the connectors of Motor 2 +
Arduino socket
Clock Two crystals (16 MHz and 32.768 kHz) provide clocks to the
target MCU
Debug •MCU-Link debug probe (onboard debug probe) can be
used to debug the target MCU using a USB micro-B
connector provided on the board. It supports CMSIS-DAP
and SEGGER J-Link protocol options.
•An external debug probe can also be attached for
debugging the target MCU
•MCU-Link debug probe can also be used for debugging an
external target MCU
Table 4. LPCXpresso55S36 features...continued
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1.6 Board pictures
The figure below shows the top-side view of the LPCXpresso55S36 board, with
connectors, push buttons, and LEDs highlighted.
J1 (USB MCU-LINK)
J2 (USB ext. supply)
J3 (USB target MCU)
J19 (CAN)
J5 (Audio in)
J6 (Audio out)
JP3 (UART)
J44 (Audio expansion)
J102
J132
J92
J122
J8 (mikroBUS) J7 (mikroBUS)
J41 (Ext. DMIC)
J38 (SWD)
SW1 (Wake-up)
SW3 (User)
SW2 (Reset)
D4
D5
D16 D18 D17
D15
D20
D14
(Motor 2 + Arduino)
(Motor 2 + Arduino)
Figure 2. LPCXpresso55S36 connectors, push buttons, and LEDs (top-side view)
The figure below shows the bottom-side view of the LPCXpresso55S36 board, with four
connectors and one LED highlighted.
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J12
J9
J13
J10
D19
(Motor 1) (Motor 1)
Figure 3. LPCXpresso55S36 connectors and LEDs (bottom-side view)
The figure below shows jumpers of the LPCXpresso55S36 board.
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JP76
JP1
JP20
JP2
JP51 JP53
JP19
JP33 JP74 JP21, JP28, JP22
JP49 JP48
JP26 JP4
JP71
JP70
JP12
JP50 JP52
JP45 JP56
JP64 JP43 JP41 JP65
JP44 JP62 JP42 JP61
JP66
JP67
JP68 JP69
JP63 JP46
JP23 JP24
JP25 JP75
JP27
JP80
JP73 JP77
JP79
JP58
JP78 JP72
J43
JP18
JP7
JP8
Figure 4. LPCXpresso55S36 jumpers
1.7 Connectors
The LPCXpresso55S36 connectors are shown in Figure 2 and are described in the table
below.
Part identifier Connector type Description Reference section
J1 USB 2.0 micro-B receptacle MCU-Link debug probe USB
connector
J2 USB 2.0 micro-B receptacle External 5 V power connector
J3 USB 2.0 micro-AB receptacle Target MCU USB connector
Section 2.3
JP3 1x3 pin header Connector for accessing the
Flexcomm 0 (USART) port of the
target MCU for an external UART
connection
Section 2.4
J5 Audio input connector for onboard
audio codec
J6
4-pin audio jack
Audio output connector for onboard
audio codec
J44 2x12 pin header Audio expansion connector
Section 2.6
J19 DB9 male connector High-speed CAN connector Section 2.8
J45 (DNP) 2x14 pin header External flash connector Section 2.10
Table 5. LPCXpresso55S36 connectors
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Part identifier Connector type Description Reference section
J41 2x7 pin header External digital PDM microphone
(DMIC) connector
Section 2.11
J7
J8
1x8 position receptacle mikroBUS socket connectors Section 2.12
J13 2x6 position receptacle
J10 2x8 position receptacle
J9 2x10 position receptacle
J12 2x8 position receptacle
Motor 1 control + unused MCU
pin socket connectors (placed on
bottom side of PCB)
Section 2.13.1
J132 2x6 position receptacle
J102 2x8 position receptacle
J92 2x10 position receptacle
J122 2x8 position receptacle
Motor 2 control + Arduino socket
connectors
Section 2.13.2
J38 2x10 pin header Debug (SWD) connector to connect
an external debug probe or external
debug target
Section 3.4
JP31 (DNP) 1x3 pin header ADC reference connector. JP31
is not populated on the board. If
populated, it can be used as an
access point to inject positive and
negative voltage references at its
pins 1 and 3, respectively, for the
target MCU ADC.
J16 (DNP) 2x5 pin header MCU-Link SWD connector
J133 (DNP) 1x6 pin header MCU-Link GPIO header
For more information
on these connectors,
see LPCXpresso55S36
schematics
Table 5. LPCXpresso55S36 connectors...continued
1.8 Jumpers
The table below describes the LPCXpresso55S36 jumpers.
Part identifier Jumper type Description Reference section
JP1 1x3 pin header 3.3 V / 1.9 V voltage selection jumper:
•Pins 1-2 shorted (default setting): 3.3 V
supply is in use
•Pins 2-3 shorted: 1.9 V supply is in use
•Pins 1-2-3 open: Using pin 2 of JP1, an
external voltage can be supplied to the target
MCU (LPC5536)
JP2 1x2 pin header USB host VBUS enable jumper:
•Open: The target MCU USB0 port is set to
Device mode
•Shorted (default setting): The target MCU
USB0 port is set to Host mode (USB0
provides VBUS power). Ensure to supply
external power to USB connector J2.
Section 2.1
Table 6. LPCXpresso55S36 jumpers
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Part identifier Jumper type Description Reference section
JP71 1x2 pin header VIN_LDO power source selection jumper:
•Open: VIN_LDO supply is powered from
SYS_5V0 supply
•Shorted (default setting): VIN_LDO supply is
powered from VIN1/VIN2 supply that comes
from Motor 1 + unused MCU pin socket /
Motor 2 + Arduino socket
JP12 1x2 pin header USART connector disable jumper:
•Open: UART connection from USART
connector JP3 is driven to the target MCU
•Shorted (default setting): UART connection
from USART connector JP3 is disabled
JP26 1x2 pin header USB-to-UART bridge disable jumper:
•Open (default setting): MCU-Link is
connected to the target MCU through a USB-
to-UART bridge
•Shorted: The USB-to-UART bridge between
MCU-Link and the target MCU is disabled.
Use this setting when using USART
connection from USART connector JP3.
Section 2.4
JP4 1x2 pin header USB-to-I2C bridge disable jumper:
•Open: MCU-Link is connected to the target
MCU through a USB-to-I2C bridge
•Shorted (default setting): The USB-to-I2C
bridge between MCU-Link and the target
MCU is disabled
Section 2.5
JP19 1x2 pin header Audio codec digital audio input enable jumper:
•Open: Audio codec cannot receive digital
audio input
•Shorted (default setting): Audio codec can
receive digital audio input from the target
MCU
JP18 1x2 pin header Audio codec digital audio output enable jumper:
•Open: Digital audio output from audio codec
is disabled
•Shorted (default setting): Audio codec can
send digital audio output to the target MCU
Section 2.6.1
JP34 (DNP) 1x2 pin header SPI NOR flash memory power enable jumper.
SPI memory and jumper JP34 are not populated
on the board.
JP57 (DNP) 1x2 pin header USB-to-SPI bridge disable jumper. JP57 is
not populated on the board. If populated, it
can be used to disable the USB-to-SPI bridge
(so that the target MCU HS SPI port can be
used for other purposes, for example, as a SPI
connection from SPI NOR flash memory).
Section 2.7
JP23 1x2 pin header HS CAN transceiver high-level CAN bus line
(CANH) disable jumper:
•Open (default setting): Signal transmission is
enabled over CANH bus line
•Shorted: Signal transmission is disabled over
CANH bus line
Section 2.8
Table 6. LPCXpresso55S36 jumpers...continued
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Part identifier Jumper type Description Reference section
JP24 1x2 pin header HS CAN transceiver low-level CAN bus line
(CANL) disable jumper:
•Open (default setting): Signal transmission is
enabled over CANL bus line
•Shorted: Signal transmission is disabled over
CANL bus line
JP48 1x3 pin header Target MCU MCAN controller input pin selection
jumper:
•Pins 1-2 shorted (default setting): Target MCU
MCAN controller receives input through the
MCU pin PIO1_3
•Pins 2-3 shorted: Target MCU MCAN
controller receives input through the MCU pin
PIO1_22 pin
JP49 1x3 pin header Target MCU MCAN controller output pin
selection jumper:
•Pins 1-2 shorted (default setting): Target MCU
MCAN controller transmits output through the
MCU pin PIO1_2
•Pins 2-3 shorted: Target MCU MCAN
controller transmits output through the MCU
pin PIO0_30
JP56 1x3 pin header Octal flash memory voltage selection jumper:
•Pins 1-2 shorted: Octal flash memory is
powered by VCC_3V3_1V9 supply
•Pins 2-3 shorted (default setting): Octal flash
memory is powered by VCC_1V9 supply
JP63 1x2 pin header Octal flash memory reset jumper. By default,
jumper pins are open. To reset the flash
memory, short the jumper.
JP41 1x3 pin header Target MCU pin PIO0_2 I/O selection jumper:
•Pins 1-2 shorted: Target MCU pin PIO0_2
sends/receives input/output to/from jumper
JP61
•Pins 2-3 shorted (default setting): Target MCU
pin PIO0_2 sends/receives input/output to/
from Motor 2 + Arduino socket connector
J102
JP61 1x3 pin header Jumper JP41 pin 1 I/O selection jumper:
•Pins 1-2 shorted (default setting): Jumper
JP41 pin 1 sends/receives serial data to/from
octal flash memory / external flash memory
•Pins 2-3 shorted: Jumper JP41 pin 1 provides
I2C/I2S clock or sends/receives analog signal
JP42 1x3 pin header Target MCU pin PIO0_6 input selection jumper:
•Pins 1-2 shorted: Target MCU pin PIO0_6
sends/receives input/output to/from octal flash
memory / external flash memory
•Pins 2-3 shorted (default setting): Target MCU
pin PIO0_6 sends/receives input/output to/
from Motor 2 + Arduino socket connector
J102
Section 2.10
Table 6. LPCXpresso55S36 jumpers...continued
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Part identifier Jumper type Description Reference section
JP43 1x3 pin header Target MCU pin PIO0_25 I/O selection jumper:
•Pins 1-2 shorted: Target MCU pin PIO0_25
sends/receives I/O to/from octal flash
memory / external flash memory
•Pins 2-3 shorted (default setting): Target MCU
pin PIO0_25 sends/receives I/O to/from Motor
2 + Arduino socket connector J122
JP44 1x3 pin header Target MCU pin PIO0_3 I/O selection jumper:
•Pins 1-2 shorted: Target MCU pin PIO0_3
sends/receives input/output to/from jumper
JP62
•Pins 2-3 shorted (default setting): Target MCU
pin PIO0_3 sends/receives input/output to/
from Motor 2 + Arduino socket connector
J102
JP62 1x3 pin header Jumper JP44 pin 1 I/O selection jumper:
•Pins 1-2 shorted (default setting): Jumper
JP44 pin 1 sends/receives serial data to/from
octal flash memory / external flash memory
•Pins 2-3 shorted: Jumper JP44 pin 1 sends/
receives I2C/I2S data / analog signal
JP45 1x3 pin header Target MCU pin PIO0_21 I/O selection jumper:
•Pins 1-2 shorted: Target MCU pin PIO0_21
sends/receives input/output to/from octal flash
memory / external flash memory
•Pins 2-3 shorted (default setting): Target MCU
pin PIO0_21 sends/receives input/output to/
from Motor 2 + Arduino socket connector
J102
JP64 1x3 pin header Target MCU pin PIO1_29 function control
jumper:
•Pins 1-2 shorted: Target MCU pin PIO1_29
sends/receives serial data to/from octal flash
memory / external flash memory
•Pins 2-3 shorted (default setting): Target MCU
pin PIO1_29 acts as a GPIO pin
JP65 1x3 pin header Target MCU pin PIO1_27 function control
jumper:
•Pins 1-2 shorted: Target MCU pin PIO1_27
sends/receives serial data to/from octal flash
memory / external flash memory
•Pins 2-3 shorted (default setting): Target MCU
pin PIO1_27 acts as a GPIO pin
JP66 1x2 pin header Target MCU pin PIO1_16 I/O enable jumper:
•Open (default setting): Target MCU pin
PIO1_16 input/output is disabled
•Shorted: Target MCU pin PIO1_16 sends/
receives serial data to/from octal flash
memory / external flash memory
Table 6. LPCXpresso55S36 jumpers...continued
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Part identifier Jumper type Description Reference section
JP67 1x2 pin header Target MCU pin PIO1_15 I/O enable jumper:
•Open (default setting): Target MCU pin
PIO1_15 input/output is disabled
•Shorted: Target MCU pin PIO1_15 sends/
receives serial data to/from octal flash
memory / external flash memory
JP68 1x2 pin header Target MCU pin PIO0_19 output enable jumper:
•Open (default setting): Target MCU pin
PIO0_19 output is disabled
•Shorted: Target MCU pin PIO0_19 provides
serial clock input to octal flash memory /
external flash memory
JP69 1x2 pin header Target MCU pin PIO0_4 I/O enable jumper:
•Open (default setting): Target MCU pin
PIO0_4 input/output is disabled
•Shorted: Target MCU pin PIO0_4 sends/
receives serial data to/from octal flash
memory / external flash memory
JP70 1x3 pin header External flash connector voltage selection
jumper:
•Pins 1-2 shorted: External flash connector is
powered by VCC_3V3_1V9 supply
•Pins 2-3 shorted (default setting): External
flash connector is powered by VCC_1V9
supply
JP38 (DNP) 1x2 pin header External flash memory reset jumper. External
flash connector and jumper JP38 are not
populated on the board.
JP58 1x2 pin header I3C master pullup resistor control enable
jumper:
•Open: Pullup resistor control is disabled for
I3C master (target MCU)
•Shorted (default setting): Pullup resistor
control is enabled for I3C master
Section 2.13.1
JP25 1x2 pin header MCU-Link target (LPC55S69) force ISP mode
jumper:
•Open (default setting): MCU-Link follows
normal boot sequence (MCU-Link boots
from internal flash if a boot image is found).
With the internal flash erased, the MCU-Link
normal boot sequence falls through to ISP
boot mode.
•Shorted: MCU-Link is forced to ISP mode
(USB1). Use this setting to reprogram the
MCU-Link internal flash with a new image or
use the MCUXpresso IDE with CMSIS-DAP
protocol.
Note: By default, MCU-Link flash is
preprogrammed with a version of CMSIS-DAP
firmware.
Section 3.2
Table 6. LPCXpresso55S36 jumpers...continued
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Part identifier Jumper type Description Reference section
JP7 1x2 pin header MCU-Link debug probe target selection jumper:
•Open (default setting): The MCU-Link debug
probe or an external debug probe can be
connected to the onboard target MCU. Use
this setting when the target MCU operates in
Normal mode (its debug interface is enabled).
•Shorted: The MCU-Link debug probe can be
connected to an external target MCU. Use
this setting when using the MCU-Link debug
probe for debugging an external target MCU.
JP8 1x3 pin header Target power selection jumper:
•Pins 1-2 shorted (default setting): Onboard
target MCU is used as debug target or an
external target MCU is used as debug target
but it uses board power
•Pins 2-3 shorted: An external target MCU
is used as debug target and it uses its own
power
Section 3.4
JP33 1x2 pin header MCU_VCC_3V3_1V9 supply enable jumper:
•Open: MCU_VCC_3V3_1V9 supply is OFF
•Shorted (default setting):
MCU_VCC_3V3_1V9 supply is available
JP20 1x2 pin header MCU_VDD supply enable jumper:
•Open: MCU_VDD supply is OFF
•Shorted (default setting): MCU_VDD supply is
available
JP21 1x2 pin header Target MCU VDDA power enable jumper:
•Open: MCU_VDDA power supply is OFF
•Shorted (default setting): MCU_VDDA power
supply is available
JP22 1x2 pin header MCU_VBAT supply enable jumper:
•Open: MCU_VBAT supply is OFF
•Shorted (default setting): MCU_VBAT supply
is available
JP28 1x2 pin header MCU_MAIN supply enable jumper:
•Open: MCU_MAIN supply is OFF
•Shorted (default setting): MCU_MAIN supply
is available
JP74 1x2 pin header
JP75 1x2 pin header
These two jumpers are used together to
connect a power supply to the current
measurement circuit for measuring its current.
By default, both are shorted.
Section 3.8
J20 (DNP) 1x2 pin header Target MCU external VBAT power enable
jumper. J20 is not populated on the board.
If populated, it can be used to supply VBAT
power to the target MCU from an external power
source.
For more information
on these jumpers, see
LPCXpresso55S36
schematics
Table 6. LPCXpresso55S36 jumpers...continued
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Part identifier Jumper type Description Reference section
J43 2x2 pin header Target MCU boot configuration jumper. Pins
1-2 of J43 connect to PIO0_5 pin (ISP0) of the
target MCU. Pins 3-4 of J43 connect to PIO0_7
pin (ISP1) of the target MCU. Pins 1-2 and pins
3-4 of J43 together determine the boot source
for the target MCU.
•Pins 1-2 and pins 3-4 open (default settings):
Both ISP0 and ISP1 are High. Target MCU
(LPC5536) follows normal boot sequence.
•Pins 1-2 open and pins 3-4 shorted: ISP0 is
High and ISP1 is Low. Target MCU boots in
In-System Programming (ISP) mode.
JP27 1x2 pin header MCU-Link serial wire debug (SWD) disable
jumper:
•Open (default setting): MCU-Link SWD
feature is enabled. MCU-Link drives SWD of
target MCU or external target MCU.
•Shorted: MCU-Link SWD feature is disabled.
This setting of JP27 can be used when
connecting an external debug probe for
debugging the target MCU. This setting of
JP27 is also recommended when using
shared I3C signals.
JP46 1x3 pin header Target MCU pin PIO1_31 input selection
jumper:
•Pins 1-2 shorted: Target MCU monitors USB0
VBUS power
•Pins 2-3 shorted (default setting): Target MCU
receives input from jumper JP53
JP53 1x3 pin header Jumper JP46 pin 3 I/O selection jumper:
•Pins 1-2 shorted: Jumper JP46 pin 3 sends/
receives clock I/O to/from audio codec / audio
expansion connector
•Pins 2-3 shorted (default setting): Jumper
JP46 pin 3 sends/receives PWM data to/from
Motor 2 + Arduino socket connector J102
JP50 1x3 pin header Target MCU pin PIO1_21 function control
jumper:
•Pins 1-2 shorted: Target MCU pin PIO1_21
sends/receives I2C data
•Pins 2-3 shorted (default setting): Target MCU
pin PIO1_21 sends/receives PWM data
JP51 1x3 pin header Target MCU pin PIO1_23 function control
jumper:
•Pins 1-2 shorted: Target MCU pin PIO1_23
provides I2C clock input
•Pins 2-3 shorted (default setting): Target MCU
pin PIO1_23 sends/receives PWM data
Table 6. LPCXpresso55S36 jumpers...continued
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Part identifier Jumper type Description Reference section
JP52 1x3 pin header Target MCU pin PIO1_25 function control
jumper:
•Pins 1-2 shorted: Target MCU pin PIO1_25
acts as UART/GPIO pin
•Pins 2-3 shorted (default setting): Target MCU
pin PIO1_25 acts as PWM pin
JP72 1x3 pin header Target MCU pin PIO0_22 signal selection
jumper:
•Pins 1-2 shorted (default setting): Target MCU
pin PIO0_22 connects to LED_GREEN signal
•Pins 2-3 shorted: Target MCU pin PIO0_22
connects to USB0_VBUS signal
JP73 1x3 pin header Target MCU pin PIO0_17 signal selection
jumper:
•Pins 1-2 shorted (default setting): Target MCU
pin PIO0_17 receives interrupt signal from
mikroBUS socket (connector J8) / SW3 button
•Pins 2-3 shorted: Target MCU pin PIO0_17
communicates to audio codec
JP76 1x3 pin header Target MCU pin PIO1_1 signal selection jumper:
•Pins 1-2 shorted (default setting): Target MCU
pin PIO1_1 communicates to MCU-Link / SPI
memory (DNP) through HS SPI slave select 1
signal
•Pins 2-3 shorted: Target MCU pin PIO1_1
communicates to debug trace connector (J38)
through TRACE_CLKOUT signal
JP77 1x3 pin header Target MCU pin PIO0_24 signal selection
jumper:
•Pins 1-2 shorted (default setting): Target MCU
pin PIO0_24 communicates to 6-axis motion
tracking device (U34) / Motor 1 connector J9
through I3C SDA signal
•Pins 2-3 shorted: Target MCU pin PIO0_24
communicates to debug trace connector (J38)
through TRACE_D0 signal
JP78 1x3 pin header Target MCU pin PIO0_29 signal selection
jumper:
•Pins 1-2 shorted (default setting): Target MCU
pin PIO0_29 communicates to MCU-Link /
USART connector JP3 / audio expansion
connector
•Pins 2-3 shorted: Target MCU pin PIO0_29
communicates to debug trace connector (J38)
through TRACE_D2 signal
Table 6. LPCXpresso55S36 jumpers...continued
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Part identifier Jumper type Description Reference section
JP79 1x3 pin header Target MCU pin PIO0_28 signal selection
jumper:
•Pins 1-2 shorted (default setting): Target MCU
pin PIO0_28 communicates through FC0
SCK / I3C0 pull-up resistor control / USB0
overcurrent signal
•Pins 2-3 shorted: Target MCU pin PIO0_28
communicates to debug trace connector (J38)
through TRACE_D3 signal
JP80 1x3 pin header Target MCU pin PIO0_30 signal selection
jumper:
•Pins 1-2 shorted (default setting): Target MCU
pin PIO0_30 communicates to MCU-Link /
USART connector JP3 through FC0 RXD
signal
•Pins 2-3 shorted: Target MCU pin PIO0_30
communicates to debug trace connector (J38)
through TRACE_D1 signal
Table 6. LPCXpresso55S36 jumpers...continued
1.9 Push buttons
The LPCXpresso55S36 push buttons are shown in Figure 2 and are described in the
table below.
Part identifier Switch name Description
SW1 Wake-up button (WK_TMP) Wakes up the target MCU (LPC5536) from Deep Power-
Down mode. It connects to the target MCU pin PIO1_18.
SW2 Reset button (RESET) Causes the target MCU and board peripherals to reset to
their default states and executes the boot code. If the target
MCU is in Deep Power-Down mode, it comes out of this
mode. SW2 connects to the target MCU pin RESETN.
SW3 User button (USR) The purpose of this button can be defined in user application
code. It connects to the target MCU pin PIO0_17.
Table 7. LPCXpresso55S36 push buttons
1.10 LEDs
The table below describes the LPCXpresso55S36 light-emitting diodes (LEDs) that
correspond to the target MCU. The board also has some MCU-Link specific LEDs, which
are described in Section 3.9.
Part identifier LED color LED name Description
D4 Red/green/blue RGB User application LED. It is connected to the VCC_3V3
supply. This LED can be controlled through a user
application.
D5 Red PWR Indicates system power-on status. It is connected to
the VCC_3V3 supply. When the board is powered up,
this LED turns ON.
Table 8. LPCXpresso55S36 LEDs
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2 LPCXpresso55S36 functional description
This section describes the features and functions of the LPCXpresso55S36 board. You
can use the functionality described in this section as a reference while designing your
own target board.
Note: For details on the LPC5536 MCU, see LPC553x Data Sheet and LPC553x
Reference Manual.
2.1 Power supplies
The LPCXpresso55S36 board is powered up using the following primary power supplies:
•External 5 V power through USB micro-B connector J1
•External 5 V power through USB micro-B connector J2
•External 5 V power through USB micro-AB connector J3
•VIN1 (5 V max.) power from Motor 1 + unused MCU pin socket connector J10
•VIN2 (5 V max.) power from Motor 2 + Arduino socket connector J102
The primary power supplies are used to produce secondary power supplies for the board
to power up other board components, including the target MCU (LPC5536), MCU-Link,
mikroBUS socket, motor control and Arduino sockets, audio codec, DMIC, octal flash
memory, high-speed CAN transceiver, push buttons, and LEDs. The figure below shows
the LPCXpresso55S36 power supply diagram.
VBAT
MCU-Link USB
(J1)
FL_USB_5V0
EXT USB
(J2)
EXT_USB_5V0
FS USB
(J3)
FS_USB_5V0
SYS_5V0
VIN2
LDO2 3V3
FL_3v3
LDO 3V3
LDO 1V9
VCC_1V9
VCC_3V3
VCC_3V3_1V9
MCU-Link
LPC5536
VBAT
VIN1
Figure 5. Power supply diagram
The table below describes the LPCXpresso55S36 power supplies.
Power source Manufacturing part
number
Power supply rail Description
USB connector J1 ZX62D-B-5PA8(30)
(Hirose Electric)
FL_USB_5V0 (5 V) •One of the three sources for SYS_5V0 supply
•Supplies power to MCU-Link 3.3 V regulator
(U31)
•Provides USB1_VBUS power to MCU-Link
•Should always be powered when using the
board
Table 9. LPCXpresso55S36 power supplies
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Power source Manufacturing part
number
Power supply rail Description
USB connector J2 ZX62D-B-5PA8(30)
(Hirose Electric)
EXT_USB_5V0 (5 V) •Another source for SYS_5V0 supply
•Produces HOST_USB_VBUS supply through
load switch U7 (NX5P3090UK)
•Should be powered when using the target MCU
USB0 in Host mode
USB connector J3 ZX62D-AB-5P8(30)
(Hirose Electric)
FS_USB_5V0 (5 V) Third source for SYS_5V0 supply
From FL_USB_5V0 /
EXT_USB_5V0 /
FS_USB_5V0
SYS_5V0 (5 V) •One of the three sources for VIN_LDO supply
•One of the three power sources for audio
expansion connector
•Supplies power to mikroBUS socket connector
J8, Motor 1 + unused MCU pin socket connector
J10, Motor 2 + Arduino socket connector J102,
high-speed CAN transceiver, and voltage
translators (U25 and U26)
•Produces P5VA supply, which is used in current
measurement circuit
Motor 1 + unused MCU
pin socket connector J10
VIN1 (5 V max.) Another source for VIN_LDO supply
Motor 2 + Arduino socket
connector J102
VIN2 (5 V max.) Third source for VIN_LDO supply
From VIN1 / VIN2 /
SYS_5V0 supply through
jumper JP71
VIN_LDO (5 V max.) Supplies power to the target MCU 3.3 V regulator
(U3) and 1.9 V regulator (U4)
U31 XC6227C331PR-
G (Torex
Semiconductor)
3V3 (3.3 V) Supplies power to MCU-Link, MCU-Link serial
wire debug (SWD) connector (J16) (DNP), MCU-
Link LEDs, I2C repeater / voltage translator (U27),
voltage translators (U17, U19, U20, U21, U22,
U24, and U41), and buffer (U42)
U3 NCP692MN33T2G
(ON Semiconductor)
VCC_3V3 (3.3 V at 1
A max.)
•One of the two sources for VCC_3V3_1V9
supply
•Another power source for audio expansion
connector
•Provides USB0_3V3 power to the target MCU
•Supplies power to the target MCU LEDs (D4
and D5) and voltage translator (U11)
U4 XC6203E192PR-
G (Torex
Semiconductor)
VCC_1V9 (1.9 V at
40 mA max.)
•Another source for VCC_3V3_1V9 supply
•Third power source for audio expansion
connector
•One of the two power sources for audio codec,
octal flash memory, and external flash connector
(DNP)
Table 9. LPCXpresso55S36 power supplies...continued
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Power source Manufacturing part
number
Power supply rail Description
From VCC_3V3 /
VCC_1V9 supply through
jumper JP1
VCC_3V3_1V9 (3.3
V or 1.9 V)
•Another power source for audio codec, octal
flash memory, and external flash connector
•Produces MCU_VCC_3V3_1V9 supply
•Supplies power to onboard DMIC, external
DMIC connector, mikroBUS socket connector
J7, Motor 1 + unused MCU pin socket connector
J10, Motor 2 + Arduino socket connectors J92
and J102, SPI NOR flash memory (DNP), SW1,
SW2, and SW3 buttons, the target MCU D5
LED, debug interface four pole double throw
(4PDT) switch (U18), debug trace connector
(J38), 6-axis motion tracking device (U34),
I2C repeater / voltage translator (U27), voltage
translators (U11, U22, U24, U25, and U26), and
current measurement circuit
•Produces VCC_IF_LINK supply, which provides
power to MCU-Link, debug trace connector
(J38), voltage translators (U17, U19, U20, U21),
buffer (U33), and current measurement circuit
From VCC_3V3_1V9
supply through jumper
JP33
MCU_VCC_3V3_1V9
(3.3 V or 1.9 V)
•Produces MCU_VDD, MCU_VDDA,
MCU_VBAT, and MCU_MAIN supplies
•Supplies power to current measurement circuit
From
MCU_VCC_3V3_1V9
supply through jumper
JP20
MCU_VDD (3.3 V or
1.9 V)
•Provides VDDIO power to the target MCU
•Supplies power to boot configuration jumper
(J43)
From
MCU_VCC_3V3_1V9
supply through jumper
JP21
MCU_VDDA (3.3 V
or 1.9 V)
Produces MCU_VDDA_F supply, which supplies
power to the target MCU and operational
amplifiers (op-amps)
From
MCU_VCC_3V3_1V9
supply through jumper
JP22
MCU_VBAT (3.3 V
or 1.9 V)
Provides VBAT power to the target MCU
From
MCU_VCC_3V3_1V9
supply through jumper
JP28
MCU_MAIN (3.3 V
or 1.9 V)
Provides VDD_MAIN power to the target MCU
Table 9. LPCXpresso55S36 power supplies...continued
The LPCXpresso55S36 board supports current measurement for board power supplies
through the onboard MCU-Link debug probe. For more details, see Section 3.8.
2.2 Clocks
The table below describes the clocks available on the LPCXpresso55S36 board.
Clock generator Clock Frequency Destination
Y2: Crystal (CX3225SA16000D0PTW) XTAL32M_[P,N] 16 MHz Target MCU (LPC5536)
Y3: Crystal (FC-135 32.7680KA-AG3) XTAL32K_[P,N] 32.768 kHz Target MCU
Y1: Crystal (CX3225GA16000D0PTVCC) MCU_LINK_[P,N]_16MHz 16 MHz MCU-Link (LPC55S69)
Table 10. LPCXpresso55S36 clocks
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